So, for example the new V21 reed no.3 is mid way between a classic blue box 2.5 and 3 and is just marginally softer than a V12 no.3. Single Reed. Various strengths available.
Vandoren V21 Bb Clarinet (Single Reed) Strengths 3.5 or 3.5+ Free Delivery
Vandoren V21 Bb clarinet reeds, box of 10 - Strength 3
Vandoren V21 Bass clarinet reeds, box of 5 - Strength 4
Vandoren V21 Bass clarinet reeds, box of 5 - Strength 2,5
Vandoren V21 Bb clarinet reeds, box of 10 - Strength 3,5
Vandoren V21 Bb clarinet reeds, box of 10 - Strength 2,5